Should we use custom exceptions in Python?

Python has so many built-in exceptions that we rarely need to create and use custom ones. Or do we?

Custom exceptions: Own your own error. Photo by Brett Jordan on Unsplash

Should we use custom exceptions or built-in ones? That’s a very good question, actually. Some say,

Avoid custom exceptions at all costs. There are so many built-in exceptions that you seldom need a custom one, if ever.

Others say,

Use custom exceptions in your projects. Leave built-in exceptions to …

data science error-handling exception programming python